NetBSD/sys/arch/powerpc/include/softint.h
matt 5a261ccfeb Take the fast softint support in e500_intr.c and make generic so that it can
be used to provide fast softint for other interrupt implementations.
2011-06-14 22:36:12 +00:00

78 lines
3.1 KiB
C

/* $NetBSD: softint.h,v 1.1 2011/06/14 22:36:12 matt Exp $ */
/*-
* Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
* Agency and which was developed by Matt Thomas of 3am Software Foundry.
*
* This material is based upon work supported by the Defense Advanced Research
* Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
* Contract No. N66001-09-C-2073.
* Approved for Public Release, Distribution Unlimited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef __INTR_PRIVATE
#ifndef _POWERPC_SOFTINT_H_
#define _POWERPC_SOFTINT_H_
#include <sys/intr.h>
#ifdef __HAVE_FAST_SOFTINTS
#ifdef __HAVE_PREEMPTION
#define IPL_PREEMPT_SOFTMASK (1 << IPL_NONE)
#else
#define IPL_PREEMPT_SOFTMASK 0
#endif
#define IPL_SOFTMASK \
((1 << IPL_SOFTSERIAL) | (1 << IPL_SOFTNET ) \
|(1 << IPL_SOFTBIO ) | (1 << IPL_SOFTCLOCK ) \
|IPL_PREEMPT_SOFTMASK)
#define SOFTINT2IPL_MAP \
((IPL_SOFTSERIAL << (4*SOFTINT_SERIAL)) \
|(IPL_SOFTNET << (4*SOFTINT_NET )) \
|(IPL_SOFTBIO << (4*SOFTINT_BIO )) \
|(IPL_SOFTCLOCK << (4*SOFTINT_CLOCK )))
#define SOFTINT2IPL(si_level) ((SOFTINT2IPL_MAP >> (4 * (si_level))) & 0x0f)
#define IPL2SOFTINT_MAP \
((SOFTINT_SERIAL << (4*IPL_SOFTSERIAL)) \
|(SOFTINT_NET << (4*IPL_SOFTNET )) \
|(SOFTINT_BIO << (4*IPL_SOFTBIO )) \
|(SOFTINT_CLOCK << (4*IPL_SOFTCLOCK )))
#define IPL2SOFTINT(ipl) ((IPL2SOFTINT_MAP >> (4 * (ipl))) & 0x0f)
#ifdef _KERNEL
void powerpc_softint(struct cpu_info *, int, vaddr_t);
void powerpc_softint_init_md(lwp_t *, u_int, uintptr_t *);
void powerpc_softint_trigger(uintptr_t);
#endif
#endif /* __HAVE_FAST_SOFTINTS */
#endif /* !_POWERPC_SOFTINT_H_ */
#endif /* __INTR_PRIVATE */